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PI81698: ABEND00C AND ABEND0C4 IN WAS AFTER STOP WAS ISSUED.

Fixes are available

9.0.0.5: WebSphere Application Server traditional V9.0 Fix Pack 5
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
9.0.0.6: WebSphere Application Server traditional V9.0 Fix Pack 6
8.5.5.13: WebSphere Application Server V8.5.5 Fix Pack 13
9.0.0.7: WebSphere Application Server traditional V9.0 Fix Pack 7
7.0.0.45: WebSphere Application Server V7.0 Fix Pack 45
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15
7.0.0.45: Java SDK 1.6 SR16 FP60 Cumulative Fix for WebSphere Application Server
9.0.0.8: WebSphere Application Server traditional V9.0 Fix Pack 8
8.5.5.14: WebSphere Application Server V8.5.5 Fix Pack 14
9.0.0.9: WebSphere Application Server traditional V9.0 Fix Pack 9
9.0.0.10: WebSphere Application Server traditional V9.0 Fix Pack 10
8.5.5.15: WebSphere Application Server V8.5.5 Fix Pack 15
9.0.0.11: WebSphere Application Server traditional V9.0 Fix Pack 11
9.0.5.0: WebSphere Application Server traditional Version 9.0.5 Refresh Pack
9.0.5.1: WebSphere Application Server traditional Version 9.0.5 Fix Pack 1
9.0.5.2: WebSphere Application Server traditional Version 9.0.5 Fix Pack 2
8.5.5.17: WebSphere Application Server V8.5.5 Fix Pack 17
9.0.5.3: WebSphere Application Server traditional Version 9.0.5 Fix Pack 3
9.0.5.4: WebSphere Application Server traditional Version 9.0.5 Fix Pack 4
9.0.5.5: WebSphere Application Server traditional Version 9.0.5 Fix Pack 5
9.0.5.6: WebSphere Application Server traditional Version 9.0.5 Fix Pack 6
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APAR status

  • Closed as program error.

Error description

  • After STOP was issued, app server received an abend 00C
    RC 060B0000 and ABEND 0C4:
    
    Program id: 5752SCXCF
    Load module name: IXCI2LPA
    Csect name: IXCG2STB
    System abend code: 000C
    Abend reason code: 060B0000
    Register/PSW difference for R0C:-141C
    Recovery routine csect name: IXCM2REC
    
    IEA794I SVC DUMP HAS CAPTURED: DUMPID=001 REQUESTED BY JOB
    (P552AP  ) DUMP
    TITLE=COMPON=XCF,COMPID=5752SCXCF,ISSUER=IXCM2REC,MODULE=I
    XCG2STB,ABEND=S00C4,REASON=00000011,USERERR=0101
    
    The 0C4 was issued because the Performance block storage was
    released by WLM just prior to an SRB ran in the Controller.
    It's a very small timing window when the controller is almost
    gone - only 5 TCBs still running for the ASID.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server                                      *
    *                  V7.0, V8.0, V8.5, and V9.0                  *
    ****************************************************************
    * PROBLEM DESCRIPTION: WebSphere Application Server for z/OS   *
    *                      ABENDS0C4 in control region during      *
    *                      address space termination.              *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    WebSphere has a XCF DCF Group exit (bbooxcgx) that attempts to
    drop an ACRW on our work queue.  A WLM Performance Block
    (PB) is obtained on this flow.  The WLM storage associated with
    these PBs are cleaned up during termination.   The 0C4 occurred
    in the small window after a WLM Task-level Resmgr
    released the storage and before the address space completed
    termination.  Just prior to this window an SRB was scheduled
    to drive the XCF exit.  By the time our XCF exit received
    control WLM released the PB related storage.  This lead to
    the ABEND 0C4 in the exit code.
    

Problem conclusion

  • Code has been modified to disable the use of the WLM
    Performance Blocks prior to the server entering its final
    termination step.
    The fix for this APAR is currently targeted for inclusion in fix
    pack 7.0.0.45, 8.0.0.14, 8.5.5.13, and 9.0.0.5
    Please refer to the Recommended Updates page for
    delivery information: http://www.ibm.com/support/docview.wss?
    rs=180&uid=swg27004980
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI81698

  • Reported component name

    WEBSPHERE FOR Z

  • Reported component ID

    5655I3500

  • Reported release

    700

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-05-16

  • Closed date

    2017-07-27

  • Last modified date

    2018-05-01

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    WEBSPHERE FOR Z

  • Fixed component ID

    5655I3500

Applicable component levels

  • R700 PSY UI54707

       UP18/04/28 P F804

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.

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Document Information

Modified date:
18 October 2021